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9d52342c VC |
1 | /* |
2 | * OMAP7xx specific gpio init | |
3 | * | |
4 | * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ | |
5 | * | |
6 | * Author: | |
7 | * Charulatha V <charu@ti.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation version 2. | |
12 | * | |
13 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
14 | * kind, whether express or implied; without even the implied warranty | |
15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | */ | |
18 | ||
19 | #include <linux/gpio.h> | |
20 | ||
21 | #define OMAP7XX_GPIO1_BASE 0xfffbc000 | |
22 | #define OMAP7XX_GPIO2_BASE 0xfffbc800 | |
23 | #define OMAP7XX_GPIO3_BASE 0xfffbd000 | |
24 | #define OMAP7XX_GPIO4_BASE 0xfffbd800 | |
25 | #define OMAP7XX_GPIO5_BASE 0xfffbe000 | |
26 | #define OMAP7XX_GPIO6_BASE 0xfffbe800 | |
27 | #define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE | |
28 | ||
29 | /* mpu gpio */ | |
30 | static struct __initdata resource omap7xx_mpu_gpio_resources[] = { | |
31 | { | |
32 | .start = OMAP1_MPUIO_VBASE, | |
33 | .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, | |
34 | .flags = IORESOURCE_MEM, | |
35 | }, | |
36 | { | |
37 | .start = INT_7XX_MPUIO, | |
38 | .flags = IORESOURCE_IRQ, | |
39 | }, | |
40 | }; | |
41 | ||
42 | static struct __initdata omap_gpio_platform_data omap7xx_mpu_gpio_config = { | |
43 | .virtual_irq_start = IH_MPUIO_BASE, | |
44 | .bank_type = METHOD_MPUIO, | |
45 | .bank_width = 32, | |
5de62b86 | 46 | .bank_stride = 2, |
9d52342c VC |
47 | }; |
48 | ||
49 | static struct __initdata platform_device omap7xx_mpu_gpio = { | |
50 | .name = "omap_gpio", | |
51 | .id = 0, | |
52 | .dev = { | |
53 | .platform_data = &omap7xx_mpu_gpio_config, | |
54 | }, | |
55 | .num_resources = ARRAY_SIZE(omap7xx_mpu_gpio_resources), | |
56 | .resource = omap7xx_mpu_gpio_resources, | |
57 | }; | |
58 | ||
59 | /* gpio1 */ | |
60 | static struct __initdata resource omap7xx_gpio1_resources[] = { | |
61 | { | |
62 | .start = OMAP7XX_GPIO1_BASE, | |
63 | .end = OMAP7XX_GPIO1_BASE + SZ_2K - 1, | |
64 | .flags = IORESOURCE_MEM, | |
65 | }, | |
66 | { | |
67 | .start = INT_7XX_GPIO_BANK1, | |
68 | .flags = IORESOURCE_IRQ, | |
69 | }, | |
70 | }; | |
71 | ||
72 | static struct __initdata omap_gpio_platform_data omap7xx_gpio1_config = { | |
73 | .virtual_irq_start = IH_GPIO_BASE, | |
74 | .bank_type = METHOD_GPIO_7XX, | |
75 | .bank_width = 32, | |
76 | }; | |
77 | ||
78 | static struct __initdata platform_device omap7xx_gpio1 = { | |
79 | .name = "omap_gpio", | |
80 | .id = 1, | |
81 | .dev = { | |
82 | .platform_data = &omap7xx_gpio1_config, | |
83 | }, | |
84 | .num_resources = ARRAY_SIZE(omap7xx_gpio1_resources), | |
85 | .resource = omap7xx_gpio1_resources, | |
86 | }; | |
87 | ||
88 | /* gpio2 */ | |
89 | static struct __initdata resource omap7xx_gpio2_resources[] = { | |
90 | { | |
91 | .start = OMAP7XX_GPIO2_BASE, | |
92 | .end = OMAP7XX_GPIO2_BASE + SZ_2K - 1, | |
93 | .flags = IORESOURCE_MEM, | |
94 | }, | |
95 | { | |
96 | .start = INT_7XX_GPIO_BANK2, | |
97 | .flags = IORESOURCE_IRQ, | |
98 | }, | |
99 | }; | |
100 | ||
101 | static struct __initdata omap_gpio_platform_data omap7xx_gpio2_config = { | |
102 | .virtual_irq_start = IH_GPIO_BASE + 32, | |
103 | .bank_type = METHOD_GPIO_7XX, | |
104 | .bank_width = 32, | |
105 | }; | |
106 | ||
107 | static struct __initdata platform_device omap7xx_gpio2 = { | |
108 | .name = "omap_gpio", | |
109 | .id = 2, | |
110 | .dev = { | |
111 | .platform_data = &omap7xx_gpio2_config, | |
112 | }, | |
113 | .num_resources = ARRAY_SIZE(omap7xx_gpio2_resources), | |
114 | .resource = omap7xx_gpio2_resources, | |
115 | }; | |
116 | ||
117 | /* gpio3 */ | |
118 | static struct __initdata resource omap7xx_gpio3_resources[] = { | |
119 | { | |
120 | .start = OMAP7XX_GPIO3_BASE, | |
121 | .end = OMAP7XX_GPIO3_BASE + SZ_2K - 1, | |
122 | .flags = IORESOURCE_MEM, | |
123 | }, | |
124 | { | |
125 | .start = INT_7XX_GPIO_BANK3, | |
126 | .flags = IORESOURCE_IRQ, | |
127 | }, | |
128 | }; | |
129 | ||
130 | static struct __initdata omap_gpio_platform_data omap7xx_gpio3_config = { | |
131 | .virtual_irq_start = IH_GPIO_BASE + 64, | |
132 | .bank_type = METHOD_GPIO_7XX, | |
133 | .bank_width = 32, | |
134 | }; | |
135 | ||
136 | static struct __initdata platform_device omap7xx_gpio3 = { | |
137 | .name = "omap_gpio", | |
138 | .id = 3, | |
139 | .dev = { | |
140 | .platform_data = &omap7xx_gpio3_config, | |
141 | }, | |
142 | .num_resources = ARRAY_SIZE(omap7xx_gpio3_resources), | |
143 | .resource = omap7xx_gpio3_resources, | |
144 | }; | |
145 | ||
146 | /* gpio4 */ | |
147 | static struct __initdata resource omap7xx_gpio4_resources[] = { | |
148 | { | |
149 | .start = OMAP7XX_GPIO4_BASE, | |
150 | .end = OMAP7XX_GPIO4_BASE + SZ_2K - 1, | |
151 | .flags = IORESOURCE_MEM, | |
152 | }, | |
153 | { | |
154 | .start = INT_7XX_GPIO_BANK4, | |
155 | .flags = IORESOURCE_IRQ, | |
156 | }, | |
157 | }; | |
158 | ||
159 | static struct __initdata omap_gpio_platform_data omap7xx_gpio4_config = { | |
160 | .virtual_irq_start = IH_GPIO_BASE + 96, | |
161 | .bank_type = METHOD_GPIO_7XX, | |
162 | .bank_width = 32, | |
163 | }; | |
164 | ||
165 | static struct __initdata platform_device omap7xx_gpio4 = { | |
166 | .name = "omap_gpio", | |
167 | .id = 4, | |
168 | .dev = { | |
169 | .platform_data = &omap7xx_gpio4_config, | |
170 | }, | |
171 | .num_resources = ARRAY_SIZE(omap7xx_gpio4_resources), | |
172 | .resource = omap7xx_gpio4_resources, | |
173 | }; | |
174 | ||
175 | /* gpio5 */ | |
176 | static struct __initdata resource omap7xx_gpio5_resources[] = { | |
177 | { | |
178 | .start = OMAP7XX_GPIO5_BASE, | |
179 | .end = OMAP7XX_GPIO5_BASE + SZ_2K - 1, | |
180 | .flags = IORESOURCE_MEM, | |
181 | }, | |
182 | { | |
183 | .start = INT_7XX_GPIO_BANK5, | |
184 | .flags = IORESOURCE_IRQ, | |
185 | }, | |
186 | }; | |
187 | ||
188 | static struct __initdata omap_gpio_platform_data omap7xx_gpio5_config = { | |
189 | .virtual_irq_start = IH_GPIO_BASE + 128, | |
190 | .bank_type = METHOD_GPIO_7XX, | |
191 | .bank_width = 32, | |
192 | }; | |
193 | ||
194 | static struct __initdata platform_device omap7xx_gpio5 = { | |
195 | .name = "omap_gpio", | |
196 | .id = 5, | |
197 | .dev = { | |
198 | .platform_data = &omap7xx_gpio5_config, | |
199 | }, | |
200 | .num_resources = ARRAY_SIZE(omap7xx_gpio5_resources), | |
201 | .resource = omap7xx_gpio5_resources, | |
202 | }; | |
203 | ||
204 | /* gpio6 */ | |
205 | static struct __initdata resource omap7xx_gpio6_resources[] = { | |
206 | { | |
207 | .start = OMAP7XX_GPIO6_BASE, | |
208 | .end = OMAP7XX_GPIO6_BASE + SZ_2K - 1, | |
209 | .flags = IORESOURCE_MEM, | |
210 | }, | |
211 | { | |
212 | .start = INT_7XX_GPIO_BANK6, | |
213 | .flags = IORESOURCE_IRQ, | |
214 | }, | |
215 | }; | |
216 | ||
217 | static struct __initdata omap_gpio_platform_data omap7xx_gpio6_config = { | |
218 | .virtual_irq_start = IH_GPIO_BASE + 160, | |
219 | .bank_type = METHOD_GPIO_7XX, | |
220 | .bank_width = 32, | |
221 | }; | |
222 | ||
223 | static struct __initdata platform_device omap7xx_gpio6 = { | |
224 | .name = "omap_gpio", | |
225 | .id = 6, | |
226 | .dev = { | |
227 | .platform_data = &omap7xx_gpio6_config, | |
228 | }, | |
229 | .num_resources = ARRAY_SIZE(omap7xx_gpio6_resources), | |
230 | .resource = omap7xx_gpio6_resources, | |
231 | }; | |
232 | ||
233 | static struct __initdata platform_device * omap7xx_gpio_dev[] = { | |
234 | &omap7xx_mpu_gpio, | |
235 | &omap7xx_gpio1, | |
236 | &omap7xx_gpio2, | |
237 | &omap7xx_gpio3, | |
238 | &omap7xx_gpio4, | |
239 | &omap7xx_gpio5, | |
240 | &omap7xx_gpio6, | |
241 | }; | |
242 | ||
243 | /* | |
244 | * omap7xx_gpio_init needs to be done before | |
245 | * machine_init functions access gpio APIs. | |
246 | * Hence omap7xx_gpio_init is a postcore_initcall. | |
247 | */ | |
248 | static int __init omap7xx_gpio_init(void) | |
249 | { | |
250 | int i; | |
251 | ||
252 | if (!cpu_is_omap7xx()) | |
253 | return -EINVAL; | |
254 | ||
255 | for (i = 0; i < ARRAY_SIZE(omap7xx_gpio_dev); i++) | |
256 | platform_device_register(omap7xx_gpio_dev[i]); | |
257 | ||
258 | gpio_bank_count = ARRAY_SIZE(omap7xx_gpio_dev); | |
259 | ||
260 | return 0; | |
261 | } | |
262 | postcore_initcall(omap7xx_gpio_init); |